The BGS Lexicon of Named Rock Units — Result Details

Edzell Sandstone Formation [Obsolete Code: Use THF]

Computer Code: EDS Preferred Map Code: EDS
Status Code: Index Level
Age range: Early Devonian Epoch (DL) — Early Devonian Epoch (DL)
Lithological Description: Fine- to coarse-grained, commonly cross-bedded, but may be massive or horizontally-laminated sandstone or pebbly sandstone, locally with lenses of conglomerate, siltstone and mudstone.
Definition of Lower Boundary: Conformable, generally diachronous, gradational, interfingering with and passing up into the Cromlix Mudstone Formation with decreasing abundance of sandstone lithologies.
Definition of Upper Boundary: Not seen.
Thickness: Up to 1800 m thick in the Fettercairn area.
Geographical Limits: Northern Midland Valley, adjacent to the Highland Border fault between Fern and Auchenblae.
Parent Unit: Strathmore Group (SEG)
Previous Name(s): Gannochy Formation (-4633)
Edzell Sandstones (-226)
Alternative Name(s): Teith Sandstone Formation
Stratotypes:
Reference Section  Showing interfingering relationship of Edzell Sandstone Formation and Strathfinella Hill Conglomerate, banks of Devilly Burn, Clatterin' Brig. 
Type Section  Banks of River North Esk, Gannochy Bridge. 
Reference(s):
Geology of the Fettercairn area, 1:10000 sheets NO67NW, NO67NE, NO67SW, NO67SE and NO68SE (south of the Highland Boundary Fault) : part of 1:50000 sheets 66E (Banchory), 66W (Aboyne), 57W (Forfar) and 57E (Montrose): British Geological Survey, Onshore Geology Series, Technical report WA/95/91  
Browne, M A E, Smith, R A and Aitken, A M. 2001. A lithostratigraphical framework for the Devonian (Old Red Sandstone) rocks of Scotland south of a line from Fort William to Aberdeen. Version 3. British Geological Survey Research Report RR/01/04. 
Armstrong, M and Paterson, I B, 1970. The Lower Old Red Sandstone of the Strathmore Region. Report of the Institute of Geological Sciences No.70/12 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
S066 S066